demux (#2579)

Author: doomedraven

conf/default/web.conf.default

@@ -65,6 +65,8 @@ expose_process_log = no
 reprocess_tasks = no
 # Allows you to define URL splitter, "," is default
 url_splitter = ,
+# Limit number of files extracted from archive in demux.py
+demux_files_limit = 10
 
 # ratelimit for anon users
 [ratelimit]

lib/cuckoo/common/demux.py

@@ -34,6 +34,12 @@
 tmp_path = cuckoo_conf.cuckoo.get("tmppath", "/tmp")
 linux_enabled = web_cfg.linux.get("enabled", False) or web_cfg.linux.get("static_only", False)
 
+try:
+    demux_files_limit = int(web_cfg.general.demux_files_limit)
+except ValueError:
+    log.error("Invalid value for demux_files_limit in web.conf, defaulting to 10")
+    demux_files_limit = 10  # Default value
+
 demux_extensions_list = {
     b".accdr",
     b".exe",
@@ -359,4 +365,4 @@ def demux_sample(filename: bytes, package: str, options: str, use_sflock: bool =
                     )
             new_retlist.append((filename, platform))
 
-    return new_retlist[:10], error_list
+    return new_retlist[:demux_files_limit], error_list